Home / 292,328,116.79-403,313,488.11-166,790,127.32

Finding the Fourth Proportional to 292,328,116.79, 403,313,488.11 and 166,790,127.32

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Solution

The fourth proportional to 292,328,116.79, 403,313,488.11 and 166,790,127.32 is: 230,113,711.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,328,116.79 : 403,313,488.11 = 166,790,127.32 : x
  2. Step 2: Convert to fraction form
    292,328,116.79/403,313,488.11 = 166,790,127.32/x
  3. Step 3: Cross multiply
    292,328,116.79x = 403,313,488.11 × 166,790,127.32
  4. Step 4: Simplify right side
    292,328,116.79x = 67,268,708,031,236,064
  5. Step 5: Solve for x
    x = 67,268,708,031,236,064/292,328,116.79
  6. Step 6: Final answer
    x = 230,113,711.85

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.